The easiest and most effective way to ensure your family is relived of the discomfort colds can cause, Breathe Clearly from Viora is a blend of natural essential oils, which are activated by self-warming. Just put the fragrance sachet on top of the warming sachet and wait for the clearing vapours of eucalyptus, peppermint, thyme and lavender to fill the air. No candles, plug-ins, sprays or ointments just a safe, natural and effective way to ensure relief from congestion caused by colds and flu. Viora Natures Prescription. To help you Breathe Clearly we have samples of the product to win.